/*
 * Copyright (c) 2023, LXMS (lxinet.cn).
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cn.lxinet.lxms.framework.mybatis.conditions;

/**
 * @author zchuanzhao
 * 2018/10/18
 */
public class SqlWrapper<T> {
    public static final String DESC = " desc";
    public static final String ASC = " asc";

    private String orderBy;
    private T entity;
    private Class<?> entityClass;


    public SqlWrapper(){
    }

    public SqlWrapper(Class<T> entityClass){
        this.entityClass = entityClass;
    }

    public SqlWrapper(T entity){
        setEntity(entity);
    }

    public void setEntity(T entity) {
        this.entity = entity;
        this.entityClass = entity.getClass();
    }

    public SqlWrapper order(String columns){
        this.orderBy = columns + ASC;
        return this;
    }
    public SqlWrapper order(String columns, String orderBy){
        this.orderBy = columns + " " + orderBy;
        return this;
    }

    public String getOrderBy() {
        return orderBy;
    }

    public Class<?> getEntityClass() {
        return entityClass;
    }
}
